{"data":{"id":"us/49-cfr-821.3","jurisdiction":"us","citation":"49 CFR 821.3","heading":"Description of docket numbering system.","body":"In addition to sequential numbering of cases as received, each case formally handled by the Board will receive a letter prefix. These letter prefixes reflect the case type: “SE” for safety enforcement (certificate suspension/revocation) cases; “SM” (safety medical) for cases involving denials of medical certification; “CD” for cases involving non-medical certificate denials; “SR” for cases involving safety registration issues under 49 U.S.C. 44101 et seq.; “CP” for cases involving the imposition of civil penalties; “NA” for cases in which a petition for review or appeal is not accepted because of a patent procedural deficiency; and “EAJA” for cases involving applications for fees and expenses under the Equal Access to Justice Act, governed by Part 826.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER VIII—NATIONAL TRANSPORTATION SAFETY BOARD","PART 821—RULES OF PRACTICE IN AIR SAFETY PROCEEDINGS","Subpart A—General Provisions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"55368a2a35e3d355529fc80e260e1be393809ba9ffb35fae6331bb3f16109671","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-821.2","next":"us/49-cfr-821.5"},"notice":"GroundRules: Original legal text. Not legal advice."}